By default, the ftp command may not be installed on your system. apt-get or yum can be used to install the ftp command.
apt-get install ftp
yum install ftp
To connect to a FTP server, at the command line, type FTP and then the domain name or IP address of the FTP server. If there is only a prompt such as FTP >, you are not connected to the FTP server.
ftp 192.168.0.77
ftp>
On the other hand, after typing ftp and then the domain name or IP address of the FTP server, if you get a welcome message, you are connected to the FTP server.
ftp 192.168.0.23
Connected to 192.160.0.77
220---------Welcome to Pure-FTPd [privsep] [TLD]---------
220-You are user number 1 of 50 allowd.
220-Local time is now 20:37. Server port: 21.
220-This is a private system - No anonymous login
220-IPv6 connections are also welcome on this server.
220-You will be disconnected after 15 minutes of inactivity.
User (192.168.0.77:(none)):
You will now need to issues commands to be authenticated. Type user and then your username. Next type your password.
User (192.168.0.77:(none)): billyt
331 User billyt OK. Password required
Password: ********
230 OK. Current directory is /
ftp >
You are now connected, and you can use typically commands such as PWD and CD and LCD. The most common first task is to upload a file to the remote computer.
ftp> LCD C:\
#Local change directory
ftp> PUT *
#Transfer everything in the LCD to the remote machine
Use the quit command to disconnect from the FTP server.